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First, You must turn it on with the "1" button on the upper left hand steering wheel switch. You have to be going faster than 25 MPH. Then press the "+" (Set/Accel) or "-" (Set/Coast) button and release. The "=" is the resume function and will return you to the previous speed after you step on the brake. I dont think you should be driving a car if you have to ask a question like this Read your owners manual
What else can I help you with?
How do you remove the headliner on a 1999 Mercury Cougar?
how do you remove the headliner from a 1999 mercury cougar
Will a 2001 Mercury Cougar grill replacement fit on a 1999 Mercury Cougar?
No.
Is a 1999 Mercury Cougar FRONT wheel drive?
Yes , the 1999 Mercury Cougar is FRONT wheel drive
Do i need a 2 bolt or 4 bolt control arm for a Mercury Cougar?
I have a 1999 mercury cougar v6 2.5 liter engin and it needed a two bolt lower control arm on the passenger side
Where is the starter on 1999 Mercury Cougar?
It's a bit buried. Note that the 1999 Mercury Cougar has no user-servicable barts.
What does relay R1 do on a 1999 cougar?
relay R1 is for the fuel pump on a 1999 Mercury Cougar
What is the fuel capacity of a 1999 mercury cougar?
According to the 1999 Mercury Cougar Owner Guide : ( 58.5 litres / 15.4 U.S. gallons )
Where is obd port on 1999 Mercury Cougar?
The 1999 Mercury Cougar OBD 2 port is under driver side dash left of steering column
What does the gas cap light look like on a 1999 Mercury Cougar?
I was looking at the 1999 Mercury Cougar Owner Guide and it does not show that it has a gas cap warning light
Where is the CD player in a 1999 mercury cougar?
According to the 1999 Mercury Cougar Owner Guide the six disc CD changer ( if equipped ) is located in the luggage compartment
What is code P1506 for a 1999 mercury cougar means?
Code P1506 - Idle air control valve over speed error
Where can you buy 1999 Mercury Cougar headlights?
Ebay, http://www.nextag.com/mercury-cougar-headlights/search-html, or just drive to your ford/mercury dealer.
